Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 tens + 7 = _____
- 8 hundreds + 3 = _____
- 4 hundreds + 8 tens = _____
- 38 tens + 63 tens = _____
(a)
4 tens + 7 = 40 + 7 = 63
(b)
8 hundreds + 3 = 800 + 3 = 803
(c)
4 hundreds + 8 tens = 400 + 80 = 480
(d)
38 tens + 63 tens = 380 + 630 = 1010
Answer(s): 47, 803, 480, 1010